Bearing 30208JR (KOYO)

Tapered roller bearings 30208JR

Bearing number : 30208JR

Size (mm) : 40x80x19.75

Brand : KOYO

Bore Diameter (mm) : 40

Outer Diameter (mm) : 80

Width (mm) : 19,75

Bearing dimensions and specification in KOYO catalogue:

d - 40 mm

D - 80 mm

T - 19,75 mm

B - 18 mm

C - 16 mm

a - 17 mm

r min. - 1,5 mm

r2 min. - 1,5 mm

da min. - 48,5 mm

da max - 49 mm

Da min - 69 mm

Da max. - 71,5 mm

Db min. - 75 mm

ra max. - 1,5 mm

rb max. - 1,5 mm

Weight - 0,434 Kg

Basic dynamic load rating (C) - 62,9 kN

Basic static load rating (C0) - 69,2 kN

(Grease) Lubrication Speed - 5000 r/min

(Oil) Lubrication Speed - 6700 r/min

Calculation factor (e) - 0,37

Calculation factor (Y0) - 0,88

Calculation factor (Y1) - 1,6

Designation

Bore Dia, mm

Outer Dia, mm: